Home / 18,445,378.56-25,454,831.31-10,185,429.48

Finding the Fourth Proportional to 18,445,378.56, 25,454,831.31 and 10,185,429.48

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Solution

The fourth proportional to 18,445,378.56, 25,454,831.31 and 10,185,429.48 is: 14,056,008.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,445,378.56 : 25,454,831.31 = 10,185,429.48 : x
  2. Step 2: Convert to fraction form
    18,445,378.56/25,454,831.31 = 10,185,429.48/x
  3. Step 3: Cross multiply
    18,445,378.56x = 25,454,831.31 × 10,185,429.48
  4. Step 4: Simplify right side
    18,445,378.56x = 259,268,389,233,301.03
  5. Step 5: Solve for x
    x = 259,268,389,233,301.03/18,445,378.56
  6. Step 6: Final answer
    x = 14,056,008.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.